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surface of a spherical planet

you just discovered its circumference, that is the input.

1 day ago

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07 - Common functions and indexing 4

Define the matrix _cMat_: <<http://samle.dk/STTBDP/Assignment1_3c.png>> ( _cMat_ = 10x10 matrix where the numbers from 1 t...

1 day ago

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07 - Common functions and indexing 6

Create a variable _m_ as a magic square with the size 6 x 6 Magic squares are defined as square matrices, where the sum of a...

1 day ago

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Vectorize the digits of an Integer

Create a vector of length N for an integer of N digits. x = 123045; x_vec = [1 2 3 0 4 5]; I happened upon a trick ...

1 day ago

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Sum of diagonals elements of a matrix

Given a matrix, return the sum of all the elements across the diagonals. E.g. A = [1 2 3; 4 5 6; 7 8 9;...

1 day ago

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06 - Matrix Equations 1

Define the vectors _aVec_ and _bVec_ and the matrix _aMat_: <<http://samle.dk/STTBDP/Assignment1_2a.png>> and <<http:/...

1 day ago

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Reverse Run-Length Encoder

Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

1 day ago

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Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.

Submit your answer to this problem a multiple of 5 seconds after the hour. Your answer is irrelevant; the only thing that matte...

2 days ago

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Is this is a Tic Tac Toe X Win?

For the game of <https://en.wikipedia.org/wiki/Tic-tac-toe Tic Tac Toe> we will be storing the state of the game in a matrix M. ...

2 days ago

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Implement simple rotation cypher

If given a letter from the set: [abc...xyz] and a shift, implement a shift cypher. Example: 'abc' with a shi...

2 days ago

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Alternating sum

Given vector x, calculate the alternating sum y = x(1) - x(2) + x(3) - x(4) + ...

3 days ago

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Rotate a Matrix by 90 degrees

Rotate a Matrix by 90 degrees Example: If the input is: X = 1 2 3 4 5 6 7 8 9 ...

3 days ago

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Make a Star Pyramid

Create a star pyramid. First line will have 1 star, second will have two stars and so on... a basic program which is easily done...

3 days ago

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Symmetric matrix

You must create a n-by-n *symmetric* matrix such that A(row,col) = row/col for col >= row. Example if n =3 : output is : ...

3 days ago

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Angle between Two Vectors

The dot product relationship, a dot b = | a | | b | cos(theta), can be used to determine the acute angle between vector a and ve...

3 days ago

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Making change

Given an amount of currency, return a vector of this form: [100 50 20 10 5 2 1 0.5 0.25 0.1 0.05 0.01] Example: Input a = ...

3 days ago

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03 - Matrix Variables 2

Make the following variable: <<http://samle.dk/STTBDP/Assignment1_3b.png>> A 9x9 matrix of zeros, but with the following v...

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07 - Common functions and indexing 5

Create the vector _lin_: <<http://samle.dk/STTBDP/Assignment1_7e.png>> (the integers from 1 to 20) Make every other val...

3 days ago

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Determine if a Given Number is a Triangle Number

*Description:* Determine if the elements of an input array are triangle numbers and return the result as an array with the sa...

3 days ago

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Back to basics - mean of corner elements of a matrix

Calculate the mean of corner elements of a matrix. e.g. a=[1 2 3; 4 5 6; 7 8 9;] Mean = (1+3+7+9)/4 = 5

3 days ago

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Return a list sorted by number of occurrences

Given a vector x, return a vector y of the unique values in x sorted by the number of occurrences in x. Ties are resolved by a ...

3 days ago

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Maximum running product for a string of numbers

Given a string s representing a list of numbers, find the five consecutive numbers that multiply to form the largest number. Spe...

3 days ago

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Most nonzero elements in row

Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

3 days ago

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Counting Sequence

Given a vector x, find the "counting sequence" y. A counting sequence is formed by "counting" the entries in a given sequence...

3 days ago

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Who Has the Most Change?

You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

3 days ago

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What is the distance from point P(x,y) to the line Ax + By + C = 0?

Given a point, P(x,y), find the distance from this point to a linear line. INPUTS: x, y, A, B, C OUTPUTS: d, the distance ...

4 days ago

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Scoring for oriented dominoes

Given a list of ordered pairs, and the order they should be placed in a line, find the sum of the absolute values of the differe...

4 days ago

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Related Vectors

I have two vectors A & B. If the values in vector A is zero then the corresponding value in vector B should be zero. Example:...

4 days ago

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Back to basics 1 - Saving

Covering some basic topics I haven't seen elsewhere on Cody. Given an input variable 'x', save it to disk in a file named 'co...

4 days ago